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Chrome 90-degree rotatable compression fitting with knurled nuts for 19mm OD 13mm ID tubing

Alphacool

Alphacool Eiszapfen 19/13mm 90° Rotatable Compression Fitting Chrome 17243

SKU CH-65RQ-HFH35

A 90° rotatable compression fitting for 19 mm outer and 13 mm inner diameter tubing with a G1/4 thread, finished in chrome

  • TypeFittings
  • High-flow design with 19/13 mm tube compatibility
  • 90° rotatable joint enables flexible routing in tight spaces
  • Chrome coating bonded to surface resists chipping and peeling
  • Slanted nut corners press O-ring firmly for secure HardTube hold
  • G1/4 thread fits 95% of water-cooling components

Precision 90° Rotatable Fitting

The Alphacool Eiszapfen 17243 is a 90-degree rotatable compression fitting designed for custom liquid-cooling loops. It connects hard tubing with a 13 mm inner diameter and 19 mm outer diameter to any component with a standard G1/4 thread. The chrome-plated brass body resists chipping and peeling through a specialised surface treatment. Builders seeking a secure, high-flow corner connection in a premium finish will use this part.

G1/4 Thread Compatibility Limits

The fitting mounts into any port cut to the G1/4 parallel thread standard, which covers roughly 95 percent of water blocks, radiators, pumps and reservoirs on the market. It cannot be used with NPT, BSPT or proprietary thread patterns without an adapter. The 90-degree bend radius is fixed, so tight clearances around motherboard heatsinks or bulky GPU backplates may prevent installation. Tubing must be cut square and deburred for the internal O-ring to seal reliably.

Upgrading from Standard Elbows

This fitting replaces basic fixed-angle elbows or low-cost compression joints that can leak under vibration or transport shock. The rotatable collar lets you align the tubing run after the base is torqued down, eliminating stress on the hard tube. The multi-colour O-ring set included in the package adds UV-reactive accent options without buying separate rings. The jump is worth it when loop aesthetics, long-term seal integrity and service access matter more than the lowest component cost.

Punti di forza

  • High-flow design with 19/13 mm tube compatibility
  • 90° rotatable joint enables flexible routing in tight spaces
  • Chrome coating bonded to surface resists chipping and peeling
  • Slanted nut corners press O-ring firmly for secure HardTube hold
  • G1/4 thread fits 95% of water-cooling components

Caratteristiche tecniche

TypeFittings

Domande su questo articolo

Should I pick the 13 mm inner-diameter or the 19 mm outer-diameter version for my loop?

This single fitting is made for 13 mm ID and 19 mm OD hard tube; choose it only if your tubing matches both dimensions exactly.

How much flow restriction does the 90° rotatable elbow add in a real build?

The high-flow design keeps restriction minimal, and the rotatable 90° body lets you route tubing cleanly without sharp bends that would hurt flow.

Will the G1/4 thread work with my water blocks and radiators?

Yes — the G1/4 thread is the industry standard and fits roughly 95 % of water-cooling components on the market.

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